package com.leyou.user.controller;

import com.leyou.common.exception.LyException;
import com.leyou.user.dto.UserDTO;
import com.leyou.user.service.UserService;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import io.swagger.annotations.ApiResponse;
import io.swagger.annotations.ApiResponses;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.annotation.*;

import javax.validation.Valid;
import java.util.stream.Collectors;

@RestController
public class UserController {

    @Autowired
    private UserService userService;

    /**
     * 校验用户名和手机号唯一性
     */
    @GetMapping("/check/{data}/{type}")
    @ApiOperation(value = "校验用户名数据是否可用，如果不存在则可用")
    @ApiResponses({
            @ApiResponse(code = 200, message = "校验结果有效，true或false代表可用或不可用"),
            @ApiResponse(code = 400, message = "请求参数有误，比如type不是指定值")
    })
    public ResponseEntity<Boolean> checkUsernameAndPhone(
            @ApiParam(value = "要校验的数据", example = "lisi") @PathVariable("data") String data,
            @ApiParam(value = "数据类型，1：用户名，2：手机号", example = "1") @PathVariable(value = "type") Integer type) {
        return ResponseEntity.ok(userService.checkUsernameAndPhone(data, type));
    }
    /**
     * 发送验证码
     */
    @PostMapping("/code")
    public ResponseEntity<Void> sendCode(@RequestParam("phone") String phone){
        userService.sendCode(phone);
        return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
    }
    /**
     * 用户注册功能
     */
    @PostMapping("/register")
    public ResponseEntity<Void> register(@Valid UserDTO userDTO, BindingResult result, @RequestParam("code") String code){
        //是否有数据校验不通过的情况
        if(result.hasErrors()){
            //自己定义返回结果
            String msg = result.getFieldErrors().stream().map(FieldError::getDefaultMessage).collect(Collectors.joining("|"));
            throw new LyException(400,msg);
        }
        userService.register(userDTO,code);
        return ResponseEntity.status(HttpStatus.CREATED).build();
    }
    /**
     * 基于用户名和密码查询用户信息并返回
     */
    @GetMapping("query")
    public ResponseEntity<UserDTO> queryUser(@RequestParam("username") String username,
                                             @RequestParam("password") String password){
        UserDTO userDTO =  userService.queryUser(username,password);
        return ResponseEntity.ok(userDTO);
    }

}
